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Add test for kernels with multiple shared buffers #672

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Merged
vchuravy merged 1 commit into from
Feb 2, 2026
+18 −1
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Add test for kernels with multiple shared buffers #672

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19 changes: 18 additions & 1 deletion test/localmem.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -47,9 +47,26 @@ end
end
end

@kernel function many_localmem(A)
N = @uniform prod(@groupsize())
@uniform begin
N2 = prod(@groupsize())
end
I = @index(Global, Linear)
i = @index(Local, Linear)
lmem1 = @localmem Int (N,) # Ok iff groupsize is static
lmem2 = @localmem Int (N,) # Ok iff groupsize is static
@inbounds begin
lmem1[i] = i - 1
lmem2[i] = 1
@synchronize
A[I] = lmem1[N2 - i + 1] + lmem2[N2 - i + 1]
end
end

function localmem_testsuite(backend, ArrayT)
@testset "kernels" begin
@testset for kernel! in (localmem(backend(), 16), localmem2(backend(), 16), localmem_unsafe_indices(backend(), 16))
@testset for kernel! in (localmem(backend(), 16), localmem2(backend(), 16), localmem_unsafe_indices(backend(), 16), many_localmem(backend(), 16))
A = ArrayT{Int}(undef, 64)
kernel!(A, ndrange = size(A))
synchronize(backend())
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